Window stop



March 17,l 1925. l,

W. G. MCGUIRE wINDowvsToP File'd J'an, 30. 1924 ulllllulllullllllzl --llll lrlll INVENToR.

B mm; UIRE. l

Lu. E.

A TTORNEY `Patented Mar. 17,'- 1925. I

winnaar 1a-meules, or mammoet, femmmes. 1

: i WINDOW .strony v ,'Ap'pncatmnfnieaJanuary so; '1924. .seriarnofesejma `Beiitknown that LI, WVrnmAivr G. MQGUI'RE,

=a citizen of JthedUnite'd r"Staates, residing at fI'Iollywood, `in the l'county"-ofLos,Angeles and Stateof California, have vinvented new anduseflil Improvements i'n WVindoW'Stops, of which the following is .a specification.

"This inventonrelatesto'improvements in Lwindow sash stops and has vparticular ref- -fere1r e `to al "latch Aadapted to Jbe "applied fito ya suiiicient' distance to enable a person to crowd himself through the opening.`

l Other objects and advantages of the present invention will be apparentduring the course of the following description. In the accompanying drawings forming a part of thisspeciiication and in which like numerals are employed to designate likel parts throughout the same,

Figure 1 is a side elevation of my window; stop with' the latch arrangement applied thereto, f

Figure 2 s a perspective view of the same, Figure 3 is a transverse vertical section through the device the view being taken `on the line 3-3 of Figure 1.

Figure 4 is a modified form of the rlocking device showing the use of a set screw for the latching purpose instead of the'clip that is employed in the preferred form of the invention, f

Figure 5 is a top plan view of the device, Figure 6 is a similar view with a part-of the window sash being shown in section and showing the position the device assumes when the same is in an unlocked position, and

Figure 7 is a similar view showing the position'the device assumes when it is in a locked position. I have found from experience that unless 5,5 some ositive means for latching the stop is provi ed that will lock the stop in'its locking position,

zThis "type v @this "disadvantage rand provisde a @latch '-.arra'ngement whereby' it will Lbe pratc'ally 4impossible"to'release'the-stop without using y *fthe lfingers, I "liaveiievised nijypresent `invent-ion. f

A "Inthe Laccom'panying for the i,purpose of illustration is shown a preferred l-euib'oilirnent of my invention, lthe numeral `v8 designates 'a "retaining jor *"bjack Anie/tal plate *io'f 'rectangular configuration,

"which is 4j'det'alialily fastened "to the upper window 1frame. jIfy-sso "desired, 'th'e jrame maybe recessed'in ordertoreceivefitherei l '75 flows Lthisjconstruction"will not be""Iiecessaryy .taining plate, but `y,in certain types 'of lwin- 4because Jof the available space e'z'i's'ti'iigbe-f slide by each other. I

Hingedly connected .to the plate 8 is a vertically disposed locking membery 9 which is i it will be possible fori-an 'un-iy :authorized personl'to "reach lvins'ide 'rif the drawings @wherein 'tween the upper and -lower sashes as they provided with an upper angular'extension y y 10 bent back upon itself so `as to form an angle brace 11.. This' construction in reality forms an abutment, which serves as a stopk to be thrown into locking` position `and'by the contact of the mid rail of the lower sash. v

prevents further movement of either ofthe sashes. Formed in .the extension 10'I have provided a slot 11 the purpose of whichv will be later on described.

Riveted to the lower lextremity of the locking member is a spring metal-plate 12 vwhich has its upper extremity inwardly flared as at 13. This plate 12 serves as anv antirattling means. The numeral 14 designates a clip adapted to penetrate the` opening 11 of the angular extension 10 so thaty after passing through the Arecessed portion 15 of the member V11,v it will lbe received in va pocket 16 formed inthe retaining plate 8. It will be observed that the clip 14 adjacent its lower extremity is oHset, whereby a positive latching action is obtained.

In the modified form of the invention as disclosed to advantage in Figure 4, I propose tolengthen the back plate 8 and instead of continuing the extension to form n the angle brace 11 as shown to advantage in Figure 2, terminate the extension so that it is bent vertical adjacent its upper eXtremity as ,indicated by the numeral 17 and is adapted to lie in parallelism with, but spaced from the upper extremity of the back plate. It will be notedthat the back plate 8 and the extremity 17 are apertured so as to receive a headed pin or screw 18, while a washer 19 and a locking pin 2O are employed to retain the screw 18 in the device when the same is unlocked. n

The operation of my device is as follows IVhen the stop has been applied to the window sash A and it is desired to lock the sash to prevent the entrance of an unauthorized person andv yet at the same time afford a certain amount of ventilation to the room, the locking plate 9 is swung in the position as shown to advantage in Figure 7. Upward movement of the lower sash will cause the extension 10 to retain the lower sash from further upward movei ment and thus the lower sash will be locked. On fthe other hand, when it is desired tounlocl theA window so that the lower sash may be moved to its full length in the window casing, then it is only necessary to actuate the locking plate as shown to advantage in Figure 6, andthe sashes will readily pass by each other.

When it is desired to retain the device in its locked position, lit is only necessary to are to be taken as preferred examples of the 4 same, and that various changesv in the shape,

size, and arrangement of parts may be resorted to without departing from the spirit of the invention or the scope of the subjoined claim.

Having `thus described my invention, I claim A device of the character described comprising a base plate adapted to be secured to the upper sash of a window, a vertically disposed locking plate hingedly connected to the base plate and having an extension formed thereon, means detachably vsecured to the locking plate for retaining the device in a locked position, said means comprising a spring clip penetrating the extension of the locking plate and having its extremity offset, for the purpose specilied. y

In testimony whereof I aiiX my signature.

WILLIAM G. MCGUIRE. 

